An echocardiogram (echo test) is a noninvasive diagnostic tool that uses electrodes to monitor your heart rhythm and high-frequency sound waves to capture three-dimensional images of the heart. Echocardiograms are used for detecting heart problems, such as damaged cardiac tissue, problems with the heart valves, weakened heart muscles, heart enlargement, among several others. If you have strong risk factors for heart disease or are already showing symptoms thereof, such as chest pains and ... [Read More]